This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A248503 #32 Feb 02 2025 11:16:03 %S A248503 2,2,4,1,3,9,6,9,5,4,5,0,1,4,1,3,7,7,3,5,0,1,1,1,0,2,8,8,6,7,5,0,5,5, %T A248503 5,1,4,4,3,3,7,5,2,7,7,5,7,2,1,6,8,7,6,3,8,7,8,6,0,8,4,3,8,1,9,3,9,3, %U A248503 0,4,2,1,9,0,9,6,9,6,5,2,1,0,9,5,4,8,4 %N A248503 Decimal expansion of molar volume of ideal gas at 0 degrees Celsius and 1 atm in liters per mole. %C A248503 Decimal expansion of the molar volume of ideal gas at NIST standard temperature and pressure (temperature 0 degrees Celsius = 273.15 K, pressure 1 standard atmosphere = 101.325 kPa) according to the 2019 SI in units L/mol = m^3/(mol*10^3). %C A248503 This constant is a rational number: the decimal expansion has a period of length 192, starting at a(17). %H A248503 NIST, <a href="https://physics.nist.gov/cgi-bin/cuu/Value?mvolstd">molar volume of ideal gas (273.15 K, 101.325 kPa)</a>. %H A248503 Wikipedia, <a href="https://en.wikipedia.org/wiki/Molar_volume">Molar volume</a>. %F A248503 Equals (A070064 * A356381 / A213611) L/mol = (8.31446261815324 * 273.15 / 101.325) L/mol. %e A248503 V_m = 22.4139695450141... L/mol. %Y A248503 Cf. A070064 (molar gas constant), A213611, A322578, A356381. %K A248503 nonn,cons %O A248503 2,1 %A A248503 _Arkadiusz Wesolowski_, Oct 07 2014 %E A248503 Edited by _Andrey Zabolotskiy_, Feb 02 2025, incorporating contribution from _Marco Ripà_.